<template>
    <el-dialog
            :title="!dataForm.id ? '新增' : '修改'"
            :close-on-click-modal="false"
            :visible.sync="visible">
        <el-form :model="dataForm" :rules="dataRule" ref="dataForm" @keyup.enter.native="dataFormSubmit()"
                 label-width="80px">
            <el-form-item label="分类名称" prop="name">
                <el-input v-model="dataForm.name" placeholder="分类名称"/>
            </el-form-item>
            <el-form-item label="排序" prop="orderNum">
                <el-input v-model="dataForm.sort" placeholder="排序"/>
                <span>数值越大越靠前</span>
            </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
      <el-button @click="visible = false">取消</el-button>
      <el-button type="primary" @click="dataFormSubmit()" :loading="loading">确定</el-button>
    </span>
    </el-dialog>
</template>

<script>
  export default {
    data () {
      return {
        visible: false,
        loading: false,
        dataForm: {
          id: 0,
          name: '',
          sort: 100
        },
        dataRule: {
          name: [
            {required: true, message: '分类名称不能为空', trigger: 'blur'}
          ],
          sort: [
            {required: true, message: '排序不能为空', trigger: 'blur'}
          ]
        }
      }
    },
    methods: {
      init (id) {
        this.dataForm.id = id || 0
        this.visible = true
        this.$nextTick(() => {
          this.$refs['dataForm'].resetFields()
          if (this.dataForm.id) {
            this.$http({
              url: this.$http.adornUrl(`/exam-admin/paper/cate/info/${this.dataForm.id}`),
              method: 'post'
            }).then(data => {
              if (data && data.code === 200) {
                this.dataForm.name = data.data.name
                this.dataForm.sort = data.data.sort
              }
            })
          }
        })
      },
      // 表单提交
      dataFormSubmit () {
        this.loading = true
        this.$refs['dataForm'].validate((valid) => {
          if (valid) {
            this.$http({
              url: this.$http.adornUrl(`/exam-admin/paper/cate/${!this.dataForm.id ? 'save' : 'update'}`),
              method: 'post',
              data: {
                'id': this.dataForm.id || undefined,
                'name': this.dataForm.name,
                'sort': this.dataForm.sort
              }
            }).then(data => {
              if (data && data.code === 200) {
                this.$message({
                  message: '操作成功',
                  type: 'success',
                  duration: 1500
                })
                this.visible = false
                this.$emit('refreshDataList')
              } else {
                this.$message.warning(data.msg)
              }
              this.loading = false
            })
          }
        })
      }
    }
  }
</script>
